CN110541249B - Mechanism for adjusting cloth feeding amount on overedger - Google Patents
Mechanism for adjusting cloth feeding amount on overedger Download PDFInfo
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- CN110541249B CN110541249B CN201910882436.0A CN201910882436A CN110541249B CN 110541249 B CN110541249 B CN 110541249B CN 201910882436 A CN201910882436 A CN 201910882436A CN 110541249 B CN110541249 B CN 110541249B
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- shaft
- cloth feeding
- overedger
- adjusting
- brake
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- 239000004744 fabric Substances 0.000 title claims abstract description 82
- 238000009957 hemming Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
- D05B27/08—Work-feeding means with feed dogs having horizontal and vertical movements with differential feed motions
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a mechanism for adjusting the cloth feeding amount on an overedger, which is connected with an upper cloth feeding system arranged in the overedger, and comprises: one end of the upper cloth feeding differential shaft is connected with a swinging shaft of the upper cloth feeding system, and a turbine is arranged on the upper cloth feeding differential shaft; the adjusting assembly comprises an adjusting shaft, one end of the adjusting shaft is provided with a worm meshed with the turbine, and the other end of the adjusting shaft is provided with a knob exposed out of the front surface of the overedger shell; the enclasping assembly is fixed in the overedger shell and clamped at the other end of the upper cloth feeding differential shaft, and is provided with a brake spanner exposed out of the front surface of the overedger shell. The operation knob is arranged on the front surface of the machine, so that the operation is convenient, and meanwhile, the holding assembly is arranged, so that the running noise can be reduced.
Description
Technical Field
The invention relates to an overedger, in particular to a mechanism for adjusting the cloth feeding amount on the overedger.
Background
The traditional overedger has no upper and lower differential feeding teeth, and the upper and lower fabrics have different lengths when special fabrics such as thick materials, high elasticity and sliding materials are sewn. In order to improve the defects of the prior art, an overedger capable of adjusting the cloth feeding amount is presented. CN 205662696U discloses a feeding mechanism of an up-down synchronous feeding overedger, as shown in fig. 1, which describes that the up-down stroke and the up-down stroke of an upper feed dog are adjusted by a front-back moving mechanism 1 and an up-down moving mechanism 2, so as to ensure that the upper dog and the lower dog are synchronously carried out. However, this structure has the following drawbacks:
(1) The front-back moving mechanism 1 is arranged on the side of the machine body, and an operator sits on the front surface of the machine during operation, and if the front-back moving mechanism 1 is required to be adjusted, the operator can get up to stand up to the side of the machine for adjustment, or the arm can extend to the side of the machine for adjustment, so that the operation is troublesome. On the other hand, the overall width of the front-back moving mechanism 1 of the comparison document 1 is longer, and certain requirements are set for the internal space of the machine.
(2) When the cloth feeding system is operated, the swinging shaft swings reciprocally, resonance is caused by the transmission to the front and rear shafts 1 of the front and rear moving mechanism, and relatively large noise is caused.
(3) The cloth feeding amount is complicated in debugging, if the corresponding limiting locking device is loosened, the corresponding limiting device is required to be locked after the debugging is finished, and a corresponding operation tool is required to be provided for debugging.
Disclosure of Invention
The invention provides a mechanism for adjusting the cloth feeding amount on an overedger, which is connected with an upper cloth feeding system arranged in the overedger, and comprises:
one end of the upper cloth feeding differential shaft is connected with a swinging shaft of the upper cloth feeding system, and a turbine is arranged on the upper cloth feeding differential shaft;
The adjusting assembly comprises an adjusting shaft, one end of the adjusting shaft is provided with a worm meshed with the turbine, and the other end of the adjusting shaft is provided with a knob exposed out of the front surface of the overedger shell;
the enclasping assembly is fixed in the overedger shell and clamped at the other end of the upper cloth feeding differential shaft, and is provided with a brake spanner exposed out of the front surface of the overedger shell.
Further, the enclasping assembly comprises a brake ring clamped on the upper cloth feeding differential shaft, the brake ring is provided with a notch connected with the inner ring and the outer ring, and clamping feet are arranged on the brake rings at two sides of the notch;
A rotatable brake eccentric block is arranged on the outer side of one clamping foot, a pull rod transversely penetrates through the two clamping feet, one end of the pull rod is connected with the brake eccentric block, and a bolt or a step is arranged on the other end of the pull rod and clamped on the outer side of the other clamping foot.
Further, one end of the pull rod and one end of the brake eccentric block are respectively provided with a first pin hole and are inserted into a first pin shaft to connect the two pin holes;
One end of the brake spanner is fixedly connected with the brake eccentric block, and the other end of the brake spanner is exposed out of the overedger shell.
Further, an axial clamping groove is formed in the end face of the other end of the upper cloth feeding differential shaft, a clamping block is fixed on the clamping groove, and the end face of the clamping block is tightly attached to the outer end face of the braking ring.
Further, the turbine is in a cam shape, the cam shaft is the upper cloth feeding differential shaft, a section of teeth meshed with the worm is arranged on the lower side surface of the turbine far away from the cam shaft, two ends of the section of teeth are connected with the upper side surface of the turbine through flat side edges, the upper side surface of the turbine is penetrated and provided with a second pin shaft, the lower end of the second pin shaft is driven into the upper cloth feeding differential shaft, and the upper end of the second pin shaft protrudes out of the upper side surface of the turbine;
The upper cloth feeding differential shaft is also sleeved with a torsion spring, the torsion spring is sleeved on the upper cloth feeding differential shaft between the swinging shaft and the turbine, and the foot of the torsion spring, which is close to the turbine, is abutted on the second pin shaft or the other side of the turbine relative to the adjusting shaft by the rotation of the upper cloth feeding differential shaft.
Further, one end of the adjusting shaft is connected with the worm through the shaft sleeve, a step is arranged at the other end of the adjusting shaft, and a clamping groove matched with the step is formed in the inner side of the knob.
Furthermore, the front surface of the overedger shell is provided with a chute for swinging the braking wrench.
The invention has the advantages that:
(1) The operation is simple, the labor intensity of operators is reduced, the movable spanner is pulled upwards, the brake ring loosens the clasping of the upper cloth feeding differential shaft, after the upper cloth feeding quantity is regulated through the rotary knob, the brake spanner is pressed downwards, the upper cloth feeding differential shaft is locked, the operation of customers is simple and time-saving, and no additional operation tool is needed;
(2) The structure parts are few, the assembly is simple, and the production efficiency of the whole machine can be effectively improved;
(3) When the maximum cloth feeding amount is reached, the assembly clearance between the worm wheel and the worm exists, and the acoustic resonance phenomenon occurs. The upper cloth feeding differential shaft is provided with the enclasping assembly, and the upper cloth feeding differential shaft is locked after adjustment is completed, so that operation noise is reduced.
(4) The machine side space is not occupied, so that the electric cabinet can be additionally arranged in the machine side space, the machine and the electric cabinet are integrated, and the whole appearance is coordinated and attractive.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a conventional cloth feeding structure (wrench type on the side of the whole machine) in the prior art;
FIG. 2 is an overall view of an overedger equipped with a mechanism for adjusting the amount of feed on the overedger according to one embodiment of the present invention;
FIG. 3 is a schematic diagram showing the assembly of the mechanism for adjusting the feeding amount of the overedger according to one embodiment of the present invention;
FIG. 4 is an exploded view of a mechanism for adjusting the feed rate of a hemming machine according to one embodiment of the present invention;
FIG. 5 is an exploded view of an adjustment assembly according to one embodiment;
FIG. 6 is a partial schematic view of an adjustment assembly according to an embodiment;
FIGS. 7-9 are schematic diagrams of a clasping assembly in one embodiment;
FIG. 10 is a perspective view of a brake ring in one embodiment.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.
In order to provide a thorough understanding of the present invention, detailed steps and detailed structures will be presented in the following description in order to explain the technical solution of the present invention. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments in addition to these detailed descriptions.
The invention provides a mechanism for adjusting the cloth feeding amount on an overedger, which is connected with an upper cloth feeding system 100 arranged in the overedger as shown in fig. 3-4, and the structure specifically comprises:
An upper cloth feeding differential shaft 201, wherein one end of the upper cloth feeding differential shaft 201 is connected with the swing shaft 101 of the upper cloth feeding system 100, and a turbine 210 is arranged on the upper cloth feeding differential shaft 201;
the adjusting assembly 200, the adjusting assembly 200 comprises an adjusting shaft 207, one end of the adjusting shaft 207 is provided with a worm 205 meshed with a turbine 210, and the other end is provided with a knob 209 exposed on the front surface of the overedger shell;
the enclasping assembly 300, the enclasping assembly 300 is fixed in the overedger shell and is clamped at the other end of the upper cloth feeding differential shaft 201, and the enclasping assembly 300 is also provided with a brake spanner 305 exposed out of the front surface of the overedger shell.
The working principle of the adjusting component 200 of the invention is as follows: the knob 209 on the front surface of the overedger shell is rotated, the worm 205 is driven to rotate by the adjusting shaft 207, the turbine 210 is driven to rotate by the rotation of the worm 205, the upper cloth feeding differential shaft 201 is driven by the turbine 210, and finally, the swinging shaft 101 of the upper cloth feeding system 100 is adjusted by the rotation of the upper cloth feeding differential shaft 201, so that the cloth feeding amount on the overedger is adjusted.
The invention adopts the structure, the cloth feeding amount of the upper cloth feeding system 100 is regulated by adopting a turbine worm mode, the regulating knob 209 is arranged on the front surface of the machine, and an operator can regulate the upper cloth feeding system 100 by rotating the knob 209 at any time without walking. On the other hand, we also installs the clasping assembly 300 on the adjusting shaft 207 of the adjusting assembly 200, when we need to rotate the knob 209, we loosen the clasping assembly 300, and when the cloth feeding amount is maximum, there is a gap between the worm wheel and the worm, and acoustic resonance occurs. The invention can solve resonance phenomenon by wearing the braking device. When the cloth feeding amount is adjusted to an ideal state, the adjusting shaft 207 is stably clamped by operating the enclasping assembly 300, so that resonance of the adjusting shaft 207 on the swinging shaft 101 from the upper cloth feeding system 100 can be effectively reduced, on one hand, the stability of the whole structure is improved, and on the other hand, the running noise can be reduced.
In an alternative embodiment, as shown in fig. 7-10, the holding assembly 300 includes a brake ring 301 clamped on the upper cloth feeding differential shaft 201, an inner ring 301b of the brake ring 301 is used for holding the clamping section 201a of the upper cloth feeding differential shaft 201, the brake ring 301 is provided with a notch 301c connected with an inner ring and an outer ring, and clamping feet 301a are arranged on the brake ring 301 at two sides of the notch 301 c; a rotatable brake eccentric block 302 is provided on the outer side of one of the clamping feet 301a, a tie rod 303 is passed across both clamping feet 301a, one end of the tie rod 303 is connected to the brake eccentric block 302 and the other end is provided with a bolt 304 or a step catch on the outer side of the other clamping foot 301 a.
In an alternative embodiment, one end of the pull rod 303 and one end of the brake eccentric block 302 are provided with a first pin hole and are inserted into a first pin shaft 308 to connect the two; one end of the brake spanner 305 is fixedly connected with the brake eccentric block 302, and the other end is exposed out of the overedger housing, as shown in fig. 7. As an alternative, the brake wrench 305 and the brake eccentric block 302 are further provided with a second pin hole and inserted into the pin shaft 309 so that the pull rod 303 and the brake eccentric block 302 are coupled together. The outer end of the brake wrench 305 is provided with a wrench 305a for manual pulling.
The principle of operation of the clasping assembly 300 is: when the knob 209 is required to be rotated, the brake wrench 305 is turned upwards, the brake wrench 305 drives the brake eccentric block 302 to rotate, the two clamping feet 301a of the brake ring 301 lose the limiting action of the brake eccentric block 302 and are released, so that the aperture of the inner ring of the brake ring 301 is enlarged, the brake ring 301 is unlocked from the upper cloth feeding differential shaft 201, and at the moment, the upper cloth feeding differential shaft 201 can be rotated by rotating the knob 209.
When the feeding amount is adjusted to an ideal state, the brake wrench 305 is pulled downwards, and the two clamping feet 301a are tightened under the action of the brake eccentric block 302, so that the upper feeding differential shaft 201 inserted in the middle of the brake ring 301 is tightly clamped, and resonance of the upper feeding system 100 on the upper feeding differential shaft 201 is reduced, so that running noise is reduced.
In an alternative embodiment, an axial clamping groove 201b (as shown in fig. 6) is formed on the end surface of the other end of the upper cloth feeding differential shaft 201, a clamping block 307 is fixed on the clamping groove 201b, the end surface of the clamping block 307 is tightly attached to the outer end surface of the brake ring 301, and a gasket 306 is further disposed between the clamping block 307 and the outer end surface of the brake ring 301, as shown in fig. 7-8. By this design, the axial movement of the upper cloth feeding differential shaft 201 is avoided, and the stability of the installation between the upper cloth feeding differential shaft 201 and the enclasping assembly 300 is further improved.
In an alternative embodiment, as shown in fig. 5-6, the turbine 210 is in the shape of a cam, the cam shaft is an upper feed differential shaft 201, the lower side of the turbine 210 remote from the cam shaft is provided with a section of teeth engaging the worm 205, and the two ends of the section of teeth are connected to the upper side of the turbine 210 by flat sides. The upper side surface of the turbine 210 is provided with a second pin 202 with a lower end driven into the upper cloth feeding differential shaft 201 in a penetrating way, and the upper end of the second pin 202 protrudes out of the upper side surface of the turbine 210; the upper cloth feeding differential shaft 201 is also sleeved with a torsion spring 204, the torsion spring 204 is sleeved on the upper cloth feeding differential shaft 201 between the swinging shaft 101 and the turbine 210, and the foot of one side of the torsion spring 204, which is close to the turbine 210, is abutted on the second pin shaft 202 or the other side of the turbine 210, which is opposite to the adjusting shaft 207, by the rotation of the upper cloth feeding differential shaft 201, as shown in fig. 5-6. The turbine 210 is set to be in a cam shape, so that the rotating angle of the turbine 210 can be limited, and the phenomenon that the turbine 210 drives the upper cloth feeding differential shaft 201 to excessively rotate to excessively adjust the feeding step amount and influence the normal feeding step of the upper cloth feeding system 100 is avoided. When the rotation knob 209 drives the turbine 210 to rotate to a limit, the foot of the torsion spring 204, which is close to the turbine 210, is abutted against the second pin 202 or the side of the turbine 210, so as to limit the rotation angle of the turbine 210. On the other hand, due to the clearance between the worm gear and the worm, the torsion spring 204 can also play a role in enhancing the stability of the connection between the worm gear and the worm.
In an alternative embodiment, one end of the adjusting shaft 207 is connected to the worm 205 through the shaft sleeve 206, the other end is provided with a step 207a, and a clamping groove matched with the step 207a is provided on the inner side of the knob 209, so that the knob 209 and the adjusting shaft 207 are linked. Wherein, still be provided with gasket 208 and spring 211 between adjustment shaft 207 and the knob 209, further improve the stability of connecting between knob 209 and the adjustment shaft 207.
The invention has the advantages that:
(1) The operation is simple, the labor intensity of operators is reduced, the movable spanner 305 is pulled upwards, the brake ring 301 loosens the clasping of the upper cloth feeding differential shaft 201, after the upper cloth feeding quantity is adjusted through the rotary knob, the movable spanner 305 is pressed downwards, the upper cloth feeding differential shaft 201 is locked, the operation is simple and time-saving, and no additional operation tool is needed to be equipped for customers;
(2) The structure parts are few, the assembly is simple, and the production efficiency of the whole machine can be effectively improved;
(3) When the maximum cloth feeding amount is reached, the assembly clearance between the worm wheel and the worm exists, and the acoustic resonance phenomenon occurs. The upper cloth feeding differential shaft 201 is provided with a clasping assembly, and the upper cloth feeding differential shaft 201 is locked after adjustment is completed, so that operation noise is reduced.
(4) The machine side space is not occupied, so that the electric cabinet can be additionally arranged in the machine side space, the machine and the electric cabinet are integrated, and the whole appearance is coordinated and attractive.
The preferred embodiments of the present invention have been described above. It is to be understood that the invention is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present invention or modifications to equivalent embodiments without departing from the scope of the technical solution of the present invention, using the methods and technical contents disclosed above, without affecting the essential content of the present invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (5)
1. A mechanism for adjusting the amount of feed on an overedger, the mechanism being coupled to an upper feed system (100) disposed within the overedger, the mechanism comprising:
An upper cloth feeding differential shaft (201), wherein one end of the upper cloth feeding differential shaft (201) is connected with a swinging shaft (101) of the upper cloth feeding system (100), and a worm wheel (210) is arranged on the upper cloth feeding differential shaft (201);
The adjusting assembly (200), the adjusting assembly (200) comprises an adjusting shaft (207), one end of the adjusting shaft (207) is provided with a worm (205) meshed with the worm wheel (210), and the other end is provided with a knob (209) exposed out of the front surface of the overedger shell;
The enclasping assembly (300), the enclasping assembly (300) is fixed in the overedger shell and clamped at the other end of the upper cloth feeding differential shaft (201), and the enclasping assembly (300) is also provided with a brake spanner (305) exposed out of the front surface of the overedger shell;
The enclasping assembly (300) comprises a brake ring (301) clamped on the upper cloth feeding differential shaft (201), the brake ring (301) is provided with a notch (301 c) connected with an inner ring and an outer ring, and clamping feet (301 a) are arranged on the brake rings (301) at two sides of the notch (301 c);
A rotatable brake eccentric block (302) is arranged on the outer side of one clamping foot (301 a), a pull rod (303) passes through the two clamping feet (301 a), one end of the pull rod (303) is connected with the brake eccentric block (302), and the other end of the pull rod is provided with a bolt (304) or a step is clamped on the outer side of the other clamping foot (301 a);
the front surface of the overedger shell is provided with a chute for swinging the brake wrench (305).
2. The mechanism for adjusting the cloth feeding amount on the overedger according to claim 1, characterized in that one end of the pull rod (303) and one end of the brake eccentric block (302) are respectively provided with a first pin hole and are inserted into a first pin shaft (308) to connect the two pin holes;
one end of the brake spanner (305) is fixedly connected with the brake eccentric block (302), and the other end of the brake spanner is exposed out of the overedger shell.
3. The mechanism for adjusting the cloth feeding amount on the overedger according to claim 1, characterized in that an axial clamping groove (201 b) is arranged on the end surface of the other end of the upper cloth feeding differential shaft (201), a clamping block (307) is fixed on the clamping groove (201 b), and the end surface of the clamping block (307) is tightly attached to the outer end surface of the brake ring (301).
4. A mechanism for adjusting the feed amount on an overedger according to claim 1, characterized in that the worm wheel (210) is cam-shaped, the cam shaft is the upper feed differential shaft (201), the lower side of the worm wheel (210) away from the cam shaft is provided with a section of teeth meshed with the worm, two ends of the section of teeth are connected with the upper side of the worm wheel (210) through a flat side, the upper side of the worm wheel (210) is penetrated with a second pin shaft (202) with a lower end driven into the upper feed differential shaft (201), and the upper end of the second pin shaft (202) protrudes out of the upper side of the worm wheel (210);
The upper cloth feeding differential shaft (201) is further sleeved with a torsion spring (204), the torsion spring (204) is sleeved on the upper cloth feeding differential shaft (201) between the swinging shaft (101) and the worm wheel (210), and the foot of the torsion spring (204) close to the worm wheel (210) is abutted on the second pin shaft (202) or the other side of the worm wheel (210) relative to the adjusting shaft (207) through the rotation of the upper cloth feeding differential shaft (201).
5. A mechanism for adjusting the feed amount of a hemming machine according to claim 1, wherein the adjusting shaft (207) has one end connected to the worm (205) through a shaft sleeve (206), and the other end provided with a step (207 a), and the knob (209) has a clamping groove on the inner side thereof, which is engaged with the step (207 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882436.0A CN110541249B (en) | 2019-09-18 | 2019-09-18 | Mechanism for adjusting cloth feeding amount on overedger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882436.0A CN110541249B (en) | 2019-09-18 | 2019-09-18 | Mechanism for adjusting cloth feeding amount on overedger |
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| Publication Number | Publication Date |
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| CN110541249A CN110541249A (en) | 2019-12-06 |
| CN110541249B true CN110541249B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910882436.0A Active CN110541249B (en) | 2019-09-18 | 2019-09-18 | Mechanism for adjusting cloth feeding amount on overedger |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113073428B (en) * | 2020-01-06 | 2023-03-28 | 杰克科技股份有限公司 | Cloth feeding adjusting mechanism of sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5014635A (en) * | 1988-11-29 | 1991-05-14 | Aisin Seiki Kabushiki Kaisha | Device for controlling feeding quantity of a sewing machine |
| JPH0424063A (en) * | 1990-05-21 | 1992-01-28 | Brother Ind Ltd | Cloth feeding degree regulator for sewing machine |
| JPH119865A (en) * | 1997-06-26 | 1999-01-19 | Brother Ind Ltd | Differential feeding device for sewing machine |
| JP2002336567A (en) * | 2001-05-21 | 2002-11-26 | Juki Corp | Drive mechanism for cloth feeder |
| JP2006122112A (en) * | 2004-10-26 | 2006-05-18 | Aisin Seiki Co Ltd | Sewing machine |
| CN101012605A (en) * | 2006-01-31 | 2007-08-08 | 重机公司 | Cloth-feeding regulation device for sewing machine |
| CN211394868U (en) * | 2019-09-18 | 2020-09-01 | 上海富山精密机械科技有限公司 | Mechanism for adjusting cloth feeding amount on overedger |
-
2019
- 2019-09-18 CN CN201910882436.0A patent/CN110541249B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5014635A (en) * | 1988-11-29 | 1991-05-14 | Aisin Seiki Kabushiki Kaisha | Device for controlling feeding quantity of a sewing machine |
| JPH0424063A (en) * | 1990-05-21 | 1992-01-28 | Brother Ind Ltd | Cloth feeding degree regulator for sewing machine |
| JPH119865A (en) * | 1997-06-26 | 1999-01-19 | Brother Ind Ltd | Differential feeding device for sewing machine |
| JP2002336567A (en) * | 2001-05-21 | 2002-11-26 | Juki Corp | Drive mechanism for cloth feeder |
| JP2006122112A (en) * | 2004-10-26 | 2006-05-18 | Aisin Seiki Co Ltd | Sewing machine |
| CN101012605A (en) * | 2006-01-31 | 2007-08-08 | 重机公司 | Cloth-feeding regulation device for sewing machine |
| CN211394868U (en) * | 2019-09-18 | 2020-09-01 | 上海富山精密机械科技有限公司 | Mechanism for adjusting cloth feeding amount on overedger |
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| CN110541249A (en) | 2019-12-06 |
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